document.write( "Question 911787: Sue did twice as many push-ups as Mark did. Bonnie did five less push-ups than Mark did. If they did 71 push-ups together, how many did each do?
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Algebra.Com's Answer #553346 by stanbon(75887)\"\" \"About 
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Sue did twice as many push-ups as Mark did. Bonnie did five less push-ups than Mark did. If they did 71 push-ups together, how many did each do?
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\n" ); document.write( "Equations:
\n" ); document.write( "s = 2m
\n" ); document.write( "b = m-5
\n" ); document.write( "s + m + b = 71
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\n" ); document.write( "Substitute and solve for \"m\"::
\n" ); document.write( "2m + m + m-5 = 71
\n" ); document.write( "4m = 76
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\n" ); document.write( "m = 19 (# of Mark push-ups)
\n" ); document.write( "s = 2m = 38 (# of Sue push-ups)
\n" ); document.write( "b = m-5 = 14 (# of Bonnie push-ups)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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